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authorAdam Frisby2008-04-30 21:16:36 +0000
committerAdam Frisby2008-04-30 21:16:36 +0000
commitf5c312bc3c2567449c7268a54a08a54119f58d53 (patch)
tree424668a4bbec6873ebc5b8256f3671db102f5e9c /OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
parent* Adds the AuthbuyerID field to sqlite and makes use of it. (diff)
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* Refactored Environment/Modules directory - modules now reside in their own directory with any associated module-specific classes.
* Each module directory is currently inside one of the following category folders: Agent (Anything relating to do with Client<->Server communications.), Avatar (Anything to do with the avatar or presence inworld), Framework (Classes modules can use), Grid (Grid traffic, new OGS2 grid comms), Scripting (Scripting functions, etc), World (The enrivonment/scene, IE Sun/Tree modules.) * This should be moved into a seperate project file.
Diffstat (limited to 'OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs')
-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs225
1 files changed, 0 insertions, 225 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs b/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
deleted file mode 100644
index 153fc15..0000000
--- a/OpenSim/Region/Environment/Modules/Terrain/PaintBrushes/OlsenSphere.cs
+++ /dev/null
@@ -1,225 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using OpenSim.Region.Environment.Interfaces;
30
31namespace OpenSim.Region.Environment.Modules.Terrain.PaintBrushes
32{
33 /// <summary>
34 /// Speed-Optimised Hybrid Erosion Brush
35 ///
36 /// As per Jacob Olsen's Paper
37 /// http://www.oddlabs.com/download/terrain_generation.pdf
38 /// </summary>
39 public class OlsenSphere : ITerrainPaintableEffect
40 {
41 private double nConst = 1024.0;
42 private NeighbourSystem type = NeighbourSystem.Moore; // Parameter
43
44 #region Supporting Functions
45
46 private int[] Neighbours(NeighbourSystem type, int index)
47 {
48 int[] coord = new int[2];
49
50 index++;
51
52 switch (type)
53 {
54 case NeighbourSystem.Moore:
55 switch (index)
56 {
57 case 1:
58 coord[0] = -1;
59 coord[1] = -1;
60 break;
61
62 case 2:
63 coord[0] = -0;
64 coord[1] = -1;
65 break;
66
67 case 3:
68 coord[0] = +1;
69 coord[1] = -1;
70 break;
71
72 case 4:
73 coord[0] = -1;
74 coord[1] = -0;
75 break;
76
77 case 5:
78 coord[0] = -0;
79 coord[1] = -0;
80 break;
81
82 case 6:
83 coord[0] = +1;
84 coord[1] = -0;
85 break;
86
87 case 7:
88 coord[0] = -1;
89 coord[1] = +1;
90 break;
91
92 case 8:
93 coord[0] = -0;
94 coord[1] = +1;
95 break;
96
97 case 9:
98 coord[0] = +1;
99 coord[1] = +1;
100 break;
101
102 default:
103 break;
104 }
105 break;
106
107 case NeighbourSystem.VonNeumann:
108 switch (index)
109 {
110 case 1:
111 coord[0] = 0;
112 coord[1] = -1;
113 break;
114
115 case 2:
116 coord[0] = -1;
117 coord[1] = 0;
118 break;
119
120 case 3:
121 coord[0] = +1;
122 coord[1] = 0;
123 break;
124
125 case 4:
126 coord[0] = 0;
127 coord[1] = +1;
128 break;
129
130 case 5:
131 coord[0] = -0;
132 coord[1] = -0;
133 break;
134
135 default:
136 break;
137 }
138 break;
139 }
140
141 return coord;
142 }
143
144 private double SphericalFactor(double x, double y, double rx, double ry, double size)
145 {
146 double z = size * size - ((x - rx) * (x - rx) + (y - ry) * (y - ry));
147 return z;
148 }
149
150 private enum NeighbourSystem
151 {
152 Moore,
153 VonNeumann
154 } ;
155
156 #endregion
157
158 #region ITerrainPaintableEffect Members
159
160 public void PaintEffect(ITerrainChannel map, double rx, double ry, double strength, double duration)
161 {
162 strength = TerrainUtil.MetersToSphericalStrength(strength);
163
164 int x, y;
165
166 for (x = 0; x < map.Width; x++)
167 {
168 for (y = 0; y < map.Height; y++)
169 {
170 double z = SphericalFactor(x, y, rx, ry, strength);
171
172 if (z > 0) // add in non-zero amount
173 {
174 int NEIGHBOUR_ME = 4;
175 int NEIGHBOUR_MAX = type == NeighbourSystem.Moore ? 9 : 5;
176
177 double max = Double.MinValue;
178 int loc = 0;
179 double cellmax = 0;
180
181
182 for (int j = 0; j < NEIGHBOUR_MAX; j++)
183 {
184 if (j != NEIGHBOUR_ME)
185 {
186 int[] coords = Neighbours(type, j);
187
188 coords[0] += x;
189 coords[1] += y;
190
191 if (coords[0] > map.Width - 1)
192 continue;
193 if (coords[1] > map.Height - 1)
194 continue;
195 if (coords[0] < 0)
196 continue;
197 if (coords[1] < 0)
198 continue;
199
200 cellmax = map[x, y] - map[coords[0], coords[1]];
201 if (cellmax > max)
202 {
203 max = cellmax;
204 loc = j;
205 }
206 }
207 }
208
209 double T = nConst / ((map.Width + map.Height) / 2);
210 // Apply results
211 if (0 < max && max <= T)
212 {
213 int[] maxCoords = Neighbours(type, loc);
214 double heightDelta = 0.5 * max * z * duration;
215 map[x, y] -= heightDelta;
216 map[x + maxCoords[0], y + maxCoords[1]] += heightDelta;
217 }
218 }
219 }
220 }
221 }
222
223 #endregion
224 }
225} \ No newline at end of file
generated by cgit v1.1 at 2024-07-05 19:27:39 +0000